Carline.



W. K. LAWS.`

GABLINE.

APPLIGATION FILED AUG.12, 1912.

- Patented Mar. 11,1913.

2 SHEETS-SHEET l.

UNITED srxfrns' PATENT onirica.

WILLIAM K. LAVIS, 0F LA GRANGE, ILLINOIS, ASSIGNOR OF ONE-HALF T0 MORGANK.

BARNUM, OF LA GRANGE, ILLINOIS.

cantina.A

Specification of Letters Patent.

vPatented Mar. 11, 1913.

Application filed August 12, 1912. Serial No. 714,539.

-Itsl object is to provide a compound carline of simple construction,light weight -and great strength, particularly to withstand strains inall directions.

A further object of my invention is tol provide an Xshaped carlinecomposed of two similar complementary bars rigidly coupled together attheir longitudinal centers.

One feature of my invention relates to the coupling means whereby twocomplementaryl bars, preferably angle-bars, are secured together attheir longitudinal centers to form an X-shaped carline. Said couplingmeans is provided with angle-irons fitting in the opposite angles formedin the divergent branches of the two bars, said angle-irons beingsecured to the .vertical flanges ofthe bars. 'Y

In its preferred embodiment my invention includes coupling means forsecuring together at their longitudinal centers two complementaryanglefbars having branches of which diverge downwardly from the centerof the carline, said coupling means comprising a cap or saddle-'plateconstituting the apex of the cai-line, said saddle-plate be ing providedwith vertical flanges in the form of angle-irons fitting the anglesformed between the divergent branches of the angle-bars. With thecoupling thus constructed the angle-bars may be Secured to saidcouplingby bolts or the like which secure bothiianges of each angle-barto said .Coupling angle-bars together; Fig. v4.- is an enlarged,transverse, central section'through the apex of the carline; Fig. 5 is abottom, plan view of the apex of the carline; Fig. 6 is a side elevationof the apex of a carline showing a modified form of coupling; and Fig. 7is a top, plan view of the modified coupling shown in Fig. 6. a

Similar letters of reference refer to vsimilar parts throughout theseveral views.

- The carline of my present invention includes two similar,complementary bars-1, l, each of which' extend transversely from oneside of the car to the other side thereof, said bars being contiguous toeach other at their longitudinal centers, that is at the apex of thecar-line. From the apex of the carline said bars are bent downwardly anddivergently, there being'thus formed upon each side of the center of thecarline an acute angle between the divergent branches of the' two bars..The transverse bars are preferably in the form Aof angle-bars having avertical flange l and a flange 1b extending outwardly and at a rightangle from the upper edge of the vertical flange.

The coupling for securing together the angle-bars at their longitudinalcenters v preferably comprises, as shown in Figs. 1 to inclusive, a capor saddle-plate 2, which tits over the top of said bars at theircontiguous central portions, said saddle-plate being provided with aflat, upper surface 3 for receiving the usual ridge-pole 4( The upperflanges lb of the bars are secured to said saddle-,plate by bolts orrivets 5 which extend through the corners ofthe plate 2. The undersurface of the plate 2 is provided with depending flangesl 6, 7 in theform of oppositely disposed angle-irons which fit in the opposite anglesformed between the divergent branches of the angle-irons. Theangle-irons 6 and 7 are secured to the vertical flanges la by bolts orrivetsl 8, 8. The saddle-plate 2 and the flanges 6, 7 are in the form ofa casting. l v

In the modified form of coupling shown in Figs. 6 and 7, thesaddle-plate 2@l underlies the angle-bars and is provided with up* theflanges 6a' and 7 are formed channels 110 tical and a horizontaldirection,- thus oppos ing any strain which may be brought upon saidcarline.

What I claim is:

l.` In a car-roof, a earline comprising a pair of transverse bars.contiguous at their longitudinal centers and there bent downwardly anddivergently, anda coupling to which each of said bars is secured, saidcoupling comprising a eas-ting having a'pair of opposed angle-ironstting inA the opposite angles formed `betvveen the divergent bars of y.said carline.

2. Ina ear-roof, a earline comprising tvve complementary angle-bars,each bar having a vertical flange and a flange extending outwardly at aright angle from the upper edge of said vertical flange, each angle-barbeing :bent 'outwardly at an obtuse angleat its longitudinal center,said complementary angle- ;bars being assembled with the .vertices ofVsaid obtuse angles abutting eaeh other, saidy anglebars uponA theopposite sides of said center inclining downward and diver-ging fromeach other,V and Coupling means for tying said bars together at theirlongitudinal centers, comprising a saddle-plate overlying said bars atthe apex of the carline and secured to the upper flange of each of saidbars and additional means for tying said vertical bars to each other.

In a car-roof, a carline comprising a pair of transverse bars contiguousat their longitudinal centers and' there bent downwardly anddivergently, and a coupling to notarse Which each of said bars isseeured, said cou1v pling comprising a sad plate having flangesconstituting opposed angle-irons titting in 'the opposite angles'form-ed between the divergent bars of said. carline.

fl. In a car-roof, a earline comprising a pair et' transverse barscontiguous at their iongitu'dinal centers and there bent dovvn- Wardlyand divergently, and a coupling to which each of said bars is secured,said coupling comprising a saddle-plate constituting the apex of saidcai-line, said saddle-plate being provided with depending iiangesfitting inthe angles formed between the divergent bars 'of said carline.

5.111 a car-roof, a carline comprising a.

pair of transverse bars contiguous at their longitudinal centers .andthere bent downwardly and divergently, and a 'coupling comprising asaddle -i'plate overlying said bars at the apex of the earline andsecured at its corners to the divergent bars, said saddie-plate havingdepending flanges fitting4 in the opposite angles formed between thedivergent bars and secured to said bars.

6.- In a ear-roof, a carline comprising two complementary angle-bars,each bar having a vertical flange and a flange extending outwardly at aright angle from the upper edge of said vertical flange, the vertical.flanges of lsaid anglelbars being contiguous to each other at thelongitudinal center of the car-*M line, .said anglc`bars upon theopposite sides of said center inclining downward and diverging from eachother, and a saddle-plate secured to the upper flange of each of saidbars and provided with depending flanges secured to the vertical flangesof said anglebars.

In Witness whereof, l, hereunto subscribe my naine this 25th daf,T ofJuly A. D., 1912.

VVILLlAM K. LAVIS. Witnesses ALFRED H. llloonn, llloCLnnLAND YOUNG.

Copies of this patent may be obtained for ve cents each, by addressingthe Commissioner of atents,

I Washington, 11C.

